CN215004425U - Sampling system for preventing harmful medium leakage - Google Patents
Sampling system for preventing harmful medium leakage Download PDFInfo
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- CN215004425U CN215004425U CN202120737651.4U CN202120737651U CN215004425U CN 215004425 U CN215004425 U CN 215004425U CN 202120737651 U CN202120737651 U CN 202120737651U CN 215004425 U CN215004425 U CN 215004425U
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Abstract
The utility model discloses a sampling system for preventing harmful medium leakage, which comprises a pressure container, wherein the upper end of the pressure container is connected with one end of a gas phase pipeline, and the gas phase pipeline is communicated and connected with one end of a gas phase sampling pipeline; a gas sampling interface is arranged on the gas sampling pipeline, and a first valve of the gas sampling interface is arranged between the gas sampling interface and the gas sampling pipeline; the lower end of the pressure container is connected with one end of a liquid phase pipeline, the liquid phase pipeline is connected with one end of a liquid sampling pipeline, a liquid sampling port is arranged on the liquid sampling pipeline, and a first valve of the liquid sampling port is arranged between the liquid sampling port and the liquid sampling pipeline; its during sampling system sampling, the sampling personnel need not discharge to the sky when gathering gaseous state or liquid sample replacement, through closing the first valve of gaseous state sample connection and the first valve of liquid sample connection, can avoid harmful medium to leak, avoids sampling personnel's poisoning to suffocate and the accident of catching fire, sampling system convenient operation, safe and reliable.
Description
Technical Field
The utility model relates to a liquid or gaseous state medium sampling technical field especially relates to a prevent sampling system that harmful medium leaked.
Background
At present, the chemical production device needs to sample and analyze from raw materials to finished products, the process adjustment direction is guided by watching the analysis result, and the sampling analysis is the eyes of the chemical production. The existing chemical production device has more process pipelines, and in order to avoid influencing a routing inspection line and an emergency channel, part of pipelines are laid in an overhead mode. Various media lead to the personnel's of being convenient for sampling convenience on ground through the sampling tube with the sample connection, because the sampling tube is too long, all need to discharge the replacement with the remaining medium in the sampling tube to the air when guaranteeing analysis result accuracy and adopt at every turn, discharge the poisonous harmful of replacement, easily fire explosive medium and cause the sampling personnel poisoning stifling, also can cause the flammable medium of sample connection to catch fire, take place the accident of catching fire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent sampling system of harmful medium leakage to lead to ground through the sampling tube in the chemical production device who exists among the solution prior art, need during the sample with the replacement of the empty discharge of the remaining medium in the sampling tube, discharge the poisonous and harmful of replacement, easily cause the sampling personnel to be poisoned and suffocate, also can cause the flammable medium of sampling tube to catch fire, take place the problem of the accident of catching fire.
In order to achieve the above object, the utility model adopts the following technical scheme:
a sampling system for preventing harmful medium leakage comprises a pressure container, wherein the upper end of the pressure container is connected with one end of a gas phase pipeline, and the other end of the gas phase pipeline is connected with a first subsequent working section; the gas phase pipeline is communicated and connected with one end of the gas sampling pipeline, and the other end of the gas sampling pipeline is connected with the torch working section; the gaseous sampling pipeline is sequentially provided with a gaseous sampling pipeline root valve and a gaseous sampling pipeline replacement valve, and the gaseous sampling pipeline replacement valve is connected with the torch working section through a gaseous sampling pipeline; a gas sampling interface is arranged on the gas sampling pipeline between the gas sampling pipeline root valve and the gas sampling pipeline replacement valve, and a first valve of the gas sampling interface is arranged between the gas sampling interface and the gas sampling pipeline; the lower end of the pressure container is connected with one end of a liquid phase pipeline, and the other end of the liquid phase pipeline is connected with a second subsequent working section; the liquid phase pipeline is connected with one end of the liquid sampling pipeline, and the other end of the liquid sampling pipeline is connected with the underground tank; an underground tank inlet valve is arranged on the liquid sampling pipeline; a liquid sampling port is arranged on a liquid sampling pipeline between the underground tank inlet valve and the liquid phase pipeline, and a first valve of the liquid sampling port is arranged between the liquid sampling port and the liquid phase pipeline.
In the above scheme, it may be preferable that a waste liquid collecting barrel is placed at the lower end of the outlet of the liquid sampling port.
It is also preferred that a second valve of the gaseous sampling port is installed between the gaseous sampling port and the first valve of the gaseous sampling port.
It is also preferable that a second valve of the liquid sampling port is installed between the first valve of the liquid sampling port and the liquid sampling port.
Preferably, the root valve of the gas sampling pipeline, the replacement valve of the gas sampling pipeline, the first valve of the gas sampling port, the second valve of the gas sampling port, the inlet valve of the underground tank, the first valve of the liquid sampling port and the second valve of the liquid sampling port are all manual valves.
It is also preferable that the first valve of the gas sampling port and the first valve of the liquid sampling port are hand-wheel type DN10 needle valves.
It is also preferable that the second valve of the gas sampling port and the second valve of the liquid sampling port are both long-handle type DN10 ball valves.
The utility model discloses a prevent sampling system of harmful medium leakage's beneficial effect as follows:
the utility model discloses a sampling system for preventing harmful medium leakage solves among the prior art chemical production device and leads to the sampling mouth to ground through the sampling tube, need to discharge the replacement with the remaining medium in the sampling tube to the sky during the sample, discharges the poisonous harmful of replacement, easily fires explosive and flammable medium and easily causes the sampling personnel to be poisoned and suffocated, also can cause the flammable medium of sampling mouth to catch fire, takes place the problem of the accident of catching fire; when the sampling system is used for sampling, a sampling worker does not need to discharge air when collecting a gas or liquid sample for replacement, the gas is replaced and discharged to a torch, and the liquid is replaced and discharged to an underground tank for closed recovery; through closing the first valve of gaseous state sample connection and the first valve of liquid sample connection, can avoid harmful medium to leak to avoid the poisoning of sampling personnel to suffocate and the accident of catching fire, sampling system convenient operation, safe and reliable.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic connection diagram of the sampling system for preventing the leakage of harmful media according to the present invention.
In the figure, 1 is the pressure vessel, 2 is the gaseous phase pipeline, 3 is gaseous state sample pipeline root valve, 4 is gaseous state sample pipeline, 5 is gaseous state sample pipeline replacement valve, 6 is gaseous state sample connection, 7 is the first valve of gaseous state sample connection, 8 is the first valve of liquid sample connection, 9 is the liquid phase pipeline, 10 is the underground tank inlet valve, 11 is liquid sample pipeline, 12 is the underground tank, 13 is liquid sample connection, 14 is the waste liquid collecting vessel, 15 is gaseous state sample connection second valve, 16 is liquid sample connection second valve.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Examples
As shown in fig. 1, a sampling system for preventing harmful medium leakage comprises a pressure vessel 1, wherein the upper end of the pressure vessel 1 is connected with one end of a gas phase pipeline 2, and the other end of the gas phase pipeline 2 is connected with a first subsequent working section; the pipe wall of the gas phase pipeline 2 is communicated and connected with one end of a gaseous sampling pipeline 4 in a tee joint or welding mode, and the other end of the gaseous sampling pipeline 4 is connected with a torch working section; the gaseous sampling pipeline 4 is provided with a gaseous sampling pipeline root valve 3 and a gaseous sampling pipeline replacement valve 5, the gaseous sampling pipeline replacement valve 5 is connected with the torch working section through the gaseous sampling pipeline 4, a gaseous sampling interface 6 is arranged on a middle pipeline of the gaseous sampling pipeline root valve 3 and the gaseous sampling pipeline replacement valve 5, and a first valve 7 of the gaseous sampling interface is arranged in front of the gaseous sampling interface; the lower end of the pressure vessel 1 is connected with one end of a liquid phase pipeline 9, and the other end of the liquid phase pipeline 9 is connected with a second subsequent working section; the liquid sampling pipeline 11 is led to an underground tank 12 from the pipe wall of the liquid phase pipeline 9, an underground tank inlet valve 10 is installed at the position where the liquid sampling pipeline 11 enters the underground tank 12, a liquid sampling port 13 is installed on a pipeline in front of the underground tank inlet valve 10, and a first liquid sampling port valve 8 is installed in front of the liquid sampling port 13.
In the sampling system for preventing the leakage of the harmful medium in the above embodiment, as shown in fig. 1, a waste liquid collecting barrel 14 is disposed at the lower end of the outlet of the liquid sampling port 13; a second valve 15 of the gas sampling port is arranged between the gas sampling interface 6 and the first valve 7 of the gas sampling port; a second liquid sampling port valve 16 is arranged between the liquid sampling port 13 and the first liquid sampling port valve 8; the root valve 3 of the gas sampling pipeline, the replacement valve 5 of the gas sampling pipeline, the first valve 7 of the gas sampling port, the second valve 15 of the gas sampling port, the inlet valve 10 of the underground tank, the first valve 8 of the liquid sampling port and the second valve 16 of the liquid sampling port are all manual valves; the first valve 7 of the gas sampling port and the first valve 8 of the liquid sampling port are hand-wheel type DN10 needle valves, and the hand-wheel type DN10 needle valves can prevent personnel from mistakenly touching the second valve 15 of the gas sampling port and the second valve 16 of the liquid sampling port to cause the leakage of combustible media; gaseous state sample connection second valve 15 and liquid sample connection second valve 16 are long handle formula DN10 ball valve, long handle formula DN10 ball valve switch is comparatively light, can effectively close the valve.
In the sampling system for preventing the harmful medium from leaking in the above embodiment, the sampling step of the gaseous medium is as follows:
when harmful gas media in the pressure container 1 enter the gas phase pipeline 2, the root valve 3 of the gas sampling pipeline is opened, the harmful gas media are led into the gas sampling pipeline 4, and the root valve 3 of the gas sampling pipeline is in a normally open state daily. Opening the gaseous sampling pipeline replacement valve 5 during sampling, replacing the existing gas in the gaseous sampling pipeline 4, and putting the replaced gas into a torch for combustion; after the gaseous sampling pipeline 4 is replaced for 1 minute, closing the gaseous sampling pipeline replacement valve 5, opening a first valve 7 of a gaseous sampling port and a second valve 15 of the gaseous sampling port, and collecting a gas sample at a gaseous sampling interface 6; before collecting the gas sample, the gas sample sampler can be connected with the gas sampling interface 6 in advance, and the gas sample sampler can be a sampling bladder.
Liquid medium sampling: harmful liquid medium in the pressure container 1 enters a liquid phase pipeline 9, an underground groove inlet valve 10 is opened, the existing medium in a liquid phase sampling pipeline 11 is replaced by the medium in the liquid phase pipeline 9, the replaced liquid is discharged into an underground groove 12 to be collected, the underground groove inlet valve 10 is closed after 1 minute of replacement, a first valve 15 of the liquid sampling port and a second valve 16 of the liquid sampling port are opened for sampling, the liquid sampling vessel can be placed at the position of the liquid sampling port 13 before sampling, the waste liquid of the liquid sampling vessel is replaced and poured into a waste liquid collecting barrel 14, and the first valve 15 of the liquid sampling port and the second valve 16 of the liquid sampling port are closed after sampling is finished, so that sampling is finished.
The sampling system for preventing the leakage of the harmful medium can avoid long-time air discharge when toxic, harmful, inflammable and explosive media are collected, and can prevent people from being poisoned and suffocated or catching fire.
In the sampling system for preventing harmful medium leakage of the embodiment, the gaseous sampling pipeline 4 is provided with the gaseous sampling pipeline root valve 3, and the gaseous sampling root valve 3 is in a full-open state everyday; when the frequently used first valve 7 of the gas sampling port and the second valve 8 of the gas sampling port are in fault maintenance, the gas sampling root valve 3 is closed to safely give out convenient maintenance.
According to the sampling system for preventing the leakage of the harmful media, when a sampling person collects a gas state or liquid state sample for replacement, the gas state sample is not discharged to a torch, the liquid state sample is discharged to an underground tank for closed recovery, the first valve 7 of the gas state sampling port, the second valve 15 of the gas state sampling port, the first valve 8 of the liquid state sampling port and the second valve 16 of the liquid state sampling port respectively adopt two types of valves, the first valve 7 of the gas state sampling port and the first valve 8 of the liquid state sampling port adopt hand wheel type DN10 needle valves in the switching mode, and the second valve 8 of the gas state sampling port and the second valve 16 of the liquid state sampling port are prevented from being touched by mistake by the person to cause the leakage of the combustible media; the second valve 15 of the gas sampling port and the second valve 16 of the liquid sampling port are in a long-handle DN10 ball valve in a switching mode; avoid less because of the personnel's of taking a sample strength, lead to gaseous state sample connection first valve 7 and liquid sample connection first valve 8 not completely to close, the gas leakage phenomenon appears, and the gaseous state sample connection second that the accessible switch is light says that valve 15 and liquid sample connection second say that valve 16 effectively closes, avoids harmful medium to leak for a long time, causes the poisoning of personnel to suffocate and the accident of catching fire.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. A sampling system for preventing harmful medium leakage comprises a pressure container (1), wherein the upper end of the pressure container (1) is connected with one end of a gas phase pipeline (2), and the other end of the gas phase pipeline (2) is connected with a first subsequent working section, and is characterized in that the gas phase pipeline (2) is communicated and connected with one end of a gaseous sampling pipeline (4), and the other end of the gaseous sampling pipeline (4) is connected with a torch working section; a gaseous sampling pipeline root valve (3) and a gaseous sampling pipeline replacement valve (5) are sequentially arranged on the gaseous sampling pipeline (4), and the gaseous sampling pipeline replacement valve (5) is connected with the torch working section through the gaseous sampling pipeline (4); a gas sampling interface (6) is arranged on the gas sampling pipeline (4) between the gas sampling pipeline root valve (3) and the gas sampling pipeline replacement valve (5), and a first valve (7) of the gas sampling interface is arranged between the gas sampling interface (6) and the gas sampling pipeline (4); the lower end of the pressure container (1) is connected with one end of a liquid phase pipeline (9), and the other end of the liquid phase pipeline (9) is connected with a second subsequent working section; the liquid phase pipeline (9) is connected with one end of a liquid sampling pipeline (11), and the other end of the liquid sampling pipeline (11) is connected with an underground tank (12); an underground tank inlet valve (10) is arranged on the liquid sampling pipeline (11); a liquid sampling port (13) is arranged on a liquid sampling pipeline (11) between the underground tank inlet valve (10) and the liquid phase pipeline (9), and a first valve (8) of the liquid sampling port is arranged between the liquid sampling port (13) and the liquid sampling pipeline (11).
2. The sampling system for preventing leakage of harmful medium according to claim 1, wherein a waste liquid collecting bucket (14) is placed at the outlet lower end of the liquid sampling port (13).
3. The harmful-medium-leakage-prevention sampling system according to claim 1, wherein a second valve (15) of the gaseous sampling port is installed between the gaseous sampling port (6) and the first valve (7) of the gaseous sampling port.
4. The sampling system for preventing the leakage of harmful media according to claim 1, wherein a second liquid sampling port valve (16) is installed between the liquid sampling port (13) and the first liquid sampling port valve (8).
5. The sampling system for preventing leakage of harmful media according to claims 1 to 4, wherein the gas sampling line root valve (3), the gas sampling line replacement valve (5), the first valve (7) of the gas sampling port, the second valve (15) of the gas sampling port, the inlet valve (10) of the underground tank, the first valve (8) of the liquid sampling port, and the second valve (16) of the liquid sampling port are all manual valves.
6. The sampling system for preventing the leakage of harmful media according to claim 5, wherein the first valve (7) of the gas sampling port and the first valve (8) of the liquid sampling port are hand-wheel type DN10 needle valves.
7. The sampling system for preventing the leakage of the harmful medium according to claim 5, wherein the second valve (15) of the gas sampling port and the second valve (16) of the liquid sampling port are all long-handle type DN10 ball valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120737651.4U CN215004425U (en) | 2021-04-12 | 2021-04-12 | Sampling system for preventing harmful medium leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120737651.4U CN215004425U (en) | 2021-04-12 | 2021-04-12 | Sampling system for preventing harmful medium leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215004425U true CN215004425U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120737651.4U Active CN215004425U (en) | 2021-04-12 | 2021-04-12 | Sampling system for preventing harmful medium leakage |
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| Country | Link |
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| CN (1) | CN215004425U (en) |
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2021
- 2021-04-12 CN CN202120737651.4U patent/CN215004425U/en active Active
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